Wait To Start light not working
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4wd Low
Joined: Aug 2017
Posts: 10
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Wait To Start light not working
I have a 93 7.3 idi and i installed all new motorcraft glow plugs and the next day the WTS light stopped working.. Later on that day it began working again and then stopped. It rarely works. Anyone know what the problem could be? The glow plugs DO work as i wait about 15 seconds and the truck fires right up in freezing temperature, just no WTS light.
Senior User
Joined: May 2003
Posts: 138
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From: CT, USA
Mine is broken too. So I just use the voltmeter. <9V = GP ON, > 11V = GP OFF
Has always worked. Cranking while the gp's are still on makes it crank slower.
Dome light can be used at night, dim = gp ON
Dome light can be used at night, dim = gp ON
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